Take a look to My Secret Stuff, there are hundreds of apps for encryting information but this one is different, easy and intuitive, with beautiful screens.

If you find the program useful, please consider cliking on ads or buy the full version.

Thank you for your support.

https://play.google.com/store/apps/details?id=com.mysecretstufffree&feature=search_result

What type of encryption key do your use?

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Android News I Android Apps I > App Center